LECTURE 3:
AMPLITUDE MODULATION
Communication EngineeringECEN 310
1-3
This lecture
Read Proakis and Salehi, Chapter 3
1-22Envelope detection is not for
overmodulation
1-28
Practical demodulation of AM signal
1-32
Can’t use envelope detection!
1-36
DSB-SC synchronous demodulation
1-42QAM – quadrature carrier
multiplexing
1-46
Spectral lines for Sin and Cos